Author: Enrique Irazoqui
Date: 11:49:41 04/13/02
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On April 13, 2002 at 14:39:10, Mike S. wrote: >On April 13, 2002 at 14:04:49, Enrique Irazoqui wrote: > >>(...) >>>1.Qa8! Ne3+! [ 1...Kxd7 2.Qc6#] 2.dxe3 Bd3+ 3.Kxd3 c4+ 4.Kxc4 e5+ 5.Kb4 Kxd7 >>>6.Qc6+ Ke6 7.Qd5+ # 7...Kxd5 8.f5 e4 9.f4 Qg1 10.c4#!! 1-0 > >I have another 1.Qa8 position (very difficult): > >[D]3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - bm Qa8; id Quick-03; F7 finds it quickly: Scheidl,M - Study 3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - 0 1 Analysis by Fritz 7: 1.Qf6 -+ (-2.16) Depth: 11/28 00:00:00 307kN 1.Qf6! -+ (-1.87) Depth: 12/29 00:00:00 426kN 1.Qf6! -+ (-1.59) Depth: 12/29 00:00:00 443kN 1.Qf6 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nc4 Bc5 µ (-1.31) Depth: 12/29 00:00:00 456kN 1.Qf6! µ (-1.03) Depth: 13/32 00:00:00 801kN 1.Qf6! µ (-0.75) Depth: 14/35 00:00:01 1245kN 1.Qf6! ³ (-0.47) Depth: 14/35 00:00:01 1353kN 1.Qf6 Be4 2.Ke2 Kg2 3.Qg7+ Kh3 4.Qxd7+ Kg3 5.Qg7+ Kh3 6.Qh8+ Kg4 = (0.00) Depth: 14/35 00:00:04 3567kN 1.Qf6 Be4 2.Ke2 Kg2 3.Qg7+ Kh3 4.Qxd7+ Kg3 5.Qg7+ Kh3 6.Qh8+ Kg4 7.Qg8+ Kh4 8.Qh8+ = (0.00) Depth: 15/35 00:00:07 6766kN 1.Qf6 Be4 2.Ke2 Kg2 3.Qg7+ Kh3 4.Qxd7+ Kg3 5.Qg7+ Kh3 6.Qh8+ Kg4 7.Qg8+ Kh4 8.Qh8+ = (0.00) Depth: 16/39 00:00:14 13083kN, tb=8 1.Qa8! = (-0.12) Depth: 16/39 00:00:18 15995kN, tb=17 1.Qa8! = (0.03) Depth: 16/39 00:00:18 15996kN, tb=17 1.Qa8 Bxa8 = (0.06) Depth: 16/39 00:00:18 15999kN, tb=17 1.Qa8! ² (0.34) Depth: 17/33 00:00:18 16175kN, tb=17 1.Qa8! ² (0.63) Depth: 17/33 00:00:18 16177kN, tb=17 1.Qa8! ± (0.91) Depth: 18/35 00:00:23 20310kN, tb=21 1.Qa8! ± (1.19) Depth: 18/35 00:00:23 20313kN, tb=21 1.Qa8! +- (1.75) Depth: 18/35 00:00:23 20318kN, tb=21 (Irazoqui, Cadaqués 13.04.2002) >This is part of a small test suite I created. If you want to take a look: > >Quicktest Description & Downloads: >http://meineseite.i-one.at/PermanentBrain/quick/quicke.htm > >Results (here you see also the source game infos, and solution moves): >http://meineseite.i-one.at/PermanentBrain/quick/quick3.htm I looked at them when you posted the address here days ago. Nice set. My favorite positions were #1 and #4. >I think these positions haven't been published before in a computer test suite >(except in the latest CSS service, which contains 8 of them are in another small >selection from my previous test suite). > >The most entertaining move is probably the last (and easiest) one, from a >computer game: > >[D]3B4/1R3p1k/2p4p/2Pp3r/3P4/4Q1K1/6P1/3b1q2 w - - bm Bf6; id Quick-24; > >1...Bf6!! This is a stalemate trick... (also threats # in 3). Nice one, but too easy to be useful: New game 3B4/1R3p1k/2p4p/2Pp3r/3P4/4Q1K1/6P1/3b1q2 w - - 0 1 Analysis by Fritz 7: 1.Rc7 Ba4 2.Qf3 Qe1+ 3.Kg4 Bd1 4.Rxf7+ Kg6 5.Rf6+ Kh7 6.Rf7+ Kg6 7.Rf6+ Kh7 8.Rf7+ = (0.00) Depth: 9/24 00:00:00 295kN 1.Rc7 Qf5 2.Rxc6 Qg4+ 3.Kf2 Bf3 4.gxf3 Rh2+ 5.Ke1 Qg2 6.Rxh6+ Rxh6 = (-0.22) Depth: 10/27 00:00:00 689kN 1.Bf6! = (-0.19) Depth: 10/27 00:00:01 1180kN 1.Bf6 Qxf6 2.Rxf7+ Qxf7 = (0.00) Depth: 10/27 00:00:01 1192kN 1.Bf6 Qxf6 2.Rxf7+ Qxf7 3.Qxh6+ Kg8 4.Qh8+ Rxh8 = (0.00) Depth: 11/27 00:00:01 1355kN 1.Bf6 Qxf6 2.Rxf7+ Qxf7 3.Qxh6+ Kg8 4.Qh8+ Rxh8 = (0.00) Depth: 12/27 00:00:02 1984kN 1.Bf6 Qxf6 2.Rxf7+ Qxf7 3.Qxh6+ Kg8 4.Qh8+ Rxh8 = (0.00) Depth: 13/31 00:00:04 3468kN 1.Bf6 Qxf6 2.Rxf7+ Qxf7 3.Qxh6+ Kg8 4.Qh8+ Rxh8 = (0.00) Depth: 14/32 00:00:08 6366kN (Irazoqui, Cadaqués 13.04.2002) Enrique >Regards, >M.Scheidl
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